What is a VPN concentrator and who needs one?

The history of the VPN (Virtual Private Network) technology is closely related to Microsoft’s PPTP and goes back to 1996. Tunneling protocols already existed, as, without them, the data packet moving from a network to another wouldn’t be possible. Therefore, the PPTP didn’t reinvent the wheel, but it brought along a more secure and private […]

VPN vs. DNS vs. Smart DNS. What to use to access geo-blocked websites?

Geo-blocking is an internet censorship technique that restricts access to certain websites based on the user’s location. This practice is mainly applied by giant services such as Netflix, BBC iPlayer, Hulu, or Pandora, as they provide loads of intellectual property online. Since the copyrighted material is usually available only to a particular location or region, […]